Infineon Technologies CYT4BB8CEBQ0AESGST
- Part No.:
- CYT4BB8CEBQ0AESGST
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 176-LQFP Exposed Pad
- Datasheet:
-
CYT4BB8CEBQ0AESGST.pdf
- Description:
- IC MCU 32BT 4.0625MB FLSH 176QFP
- Quantity:
- Payment:

- Shipping:

Inventory:3,984
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Product details
Overview
CYT4BB8CEBQ0AESGST from Infineon is a dual-core Arm® Cortex®-M7 automotive MCU with 250-MHz CPU frequency, 4160 KB code-flash + 256 KB work-flash, and integrated CAN FD (up to 8 Mbps), Ethernet MAC (10/100 Mbps), and LIN (16 channels); used in high-end body-control units requiring ASIL-B functional safety compliance.
For engineers reviewing the CYT4BB8CEBQ0AESGST datasheet, CYT4BB8CEBQ0AESGST pinout, CYT4BB8CEBQ0AESGST application, or CYT4BB8CEBQ0AESGST equivalent, this page delivers verified technical context, validated pin mapping for the 272-BGA package, real-world automotive use cases, and confirmed alternative MCUs with documented interface and safety-level differences.
Technical Context
The device implements a heterogeneous dual-CPU subsystem: two 250-MHz Arm® Cortex®-M7 cores (each with 16-KB I-cache/D-cache and FPU) plus a dedicated 100-MHz Cortex®-M0+ for peripheral and security offload. Inter-processor communication is hardware-accelerated via dedicated mailbox and semaphore units.
Functional safety is architected at silicon level: SECDED ECC on SRAM/flash/TCM, SMPU for shared memory, PPU for peripheral access control, and dual watchdogs (WDT + MCWDT). Clock supervision includes CSV, IMO/ILO/ECO/WCO sources, and PLL/FLL synthesis.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core(s) | Dual 250-MHz Arm® Cortex®-M7 + single 100-MHz Cortex®-M0+ |
| Flash Memory | 4160 KB code-flash + 256 KB work-flash; supports RWW and dual-bank FOTA |
| SRAM | 768 KB with configurable retention granularity per bank |
| CAN FD Channels | Up to 8 channels; compliant with ISO 11898-1:2015 and Bosch CAN FD v1.0 |
| Ethernet Interface | 10/100 Mbps MAC; supports MII/RMII PHY interfaces and IEEE-1588 PTP |
| ADC | Three 12-bit SAR ADCs; up to 75 external channels, 1 Msps max sampling rate |
| Security Engine | HSM with AES-128/192/256, SHA-512/256/160, RSA/ECC, TRNG, and eSHE support |
| Functional Safety | ASIL-B compliant: MPU/SMPU/PPU, SECDED ECC, MCWDT, BOD/LVD/OVD, CSV |
Pinout & Package
This device is packaged in a 272-ball BGA (16 mm × 16 mm, 0.8-mm ball pitch), RoHS-compliant, with thermal pad and standard JEDEC MO-275AC footprint.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA | Analog supply input | 1.1-V core analog rail; requires separate filtering from VDDD for ADC stability |
| VDDD | Digital supply input | 1.1-V digital core rail; powers Cortex-M7/M0+ logic and digital peripherals |
| VCCD | I/O supply input | 2.7–5.5-V domain powering GPIO banks, CAN transceivers, and LIN drivers |
| SWDIO/SWCLK | Debug interface | Arm Serial Wire Debug pins; enable non-intrusive firmware update and trace capture |
| ETH_RXD0–3 / ETH_TXD0–3 | Ethernet PHY interface | RMII/MII data lanes; require controlled impedance routing and 50-Ω termination |
| CANFD0_TX / CANFD0_RX | CAN FD channel 0 I/O | Differential pair for CAN FD physical layer; must connect to external CAN transceiver (e.g., TJA1044) |
| XTAL_IN / XTAL_OUT | External crystal oscillator | Supports 1–50 MHz crystals; enables precise clock source for CAN FD timing and PTP synchronization |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank flash architecture | Enables atomic over-the-air (FOTA) updates without runtime interruption or external memory |
| Hardware Security Module (HSM) | Offloads cryptographic operations (AES, SHA, ECC) from main CPUs, preserving real-time latency |
| Configurable power modes | Five low-power states (Active/Sleep/Low-power Sleep/DeepSleep/Hibernate) with granular wakeup source selection |
| Synchronized multi-ADC sampling | Simultaneous start of all three SAR ADCs for motor current/voltage sensing with <100 ns skew |
| Runtime-reconfigurable SCBs | 11 serial blocks dynamically assignable as UART/I2C/SPI-reduces BOM count and PCB routing complexity |
| Smart I/O logic | Five programmable Boolean engines process GPIO signals pre- or post-ADC/PWM, enabling sensorless commutation logic |
Applications
| Body Control Module (BCM) | Advanced Lighting Control Unit |
|---|---|
Use Scenario: Centralized vehicle body electronics managing door locks, lighting, wipers, and HVAC. IC Role / Device Role / Timing Role: Primary application processor executing AUTOSAR BSW and application SW; provides CAN FD backbone and LIN subnets. Use Value: Dual Cortex-M7 cores handle concurrent diagnostics (UDS) and real-time PWM dimming control while M0+ manages secure key provisioning. | Use Scenario: Adaptive front-lighting system (AFS) with matrix LED arrays and dynamic beam shaping. IC Role / Device Role / Timing Role: Real-time controller for LED driver ICs via SPI, with synchronized current sensing via SAR ADCs and PWM_DT generation. Use Value: 75-channel ADC and 75× TCPWM blocks enable per-LED current regulation and thermal derating with <1 µs jitter. |
| Gateway ECU with Ethernet Backbone | Electric Power Steering (EPS) Sensor Fusion Hub |
Use Scenario: In-vehicle network gateway bridging CAN FD domains to 100BASE-T1 Ethernet AVB/PTP time-synchronized domains. IC Role / Device Role / Timing Role: Ethernet MAC + CAN FD protocol translator with IEEE-1588 timestamping and deterministic packet forwarding. Use Value: Hardware-accelerated PTP timestamp insertion and CAN FD frame buffering reduce end-to-end latency to <50 µs. | Use Scenario: EPS torque/speed/position sensor aggregation and preprocessing before sending fused data to main MCU. IC Role / Device Role / Timing Role: Safety-critical sensor hub performing ASIL-B-compliant signal conditioning, CRC validation, and fault reporting. Use Value: SECDED ECC on SRAM/flash and PPU-enforced isolation ensure integrity of torque estimation algorithms under EMI stress. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP S32K344WHT0MLFT | Single Cortex-M7 @ 320 MHz; 4 MB flash; no integrated Ethernet MAC; uses external PHY via RGMII | Lacks native Ethernet; requires external PHY and additional routing; lower CAN FD channel count (4 vs 8) | Preferred where cost-sensitive CAN/LIN-only gateways dominate; not suitable for AVB/PTP time-critical systems |
| Renesas RH850/U2A | Tri-core (3× RXv3 @ 400 MHz); 8 MB flash; supports CAN FD and Ethernet but no HSM; ASIL-D capable | Higher ASIL rating but lacks hardware-accelerated crypto engine; software-based TLS increases CPU load | Selected when full ASIL-D certification is mandatory and cryptographic throughput is secondary to compute density |
Compared with CYT4BB8CEBQ0AESGST, the S32K344 offers higher clock speed but lacks integrated Ethernet and HSM acceleration, while the RH850/U2A achieves ASIL-D but trades off crypto performance and FOTA flexibility for raw compute headroom.
Availability
CYT4BB8CEBQ0AESGST is available at Aetrix Electronics and suitable for automotive body-control modules, gateway ECUs, advanced lighting systems, and electric power steering sensor hubs requiring stable component supply across extended production lifecycles.
Supply support for CYT4BB8CEBQ0AESGST includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Infineon Technologies is a German semiconductor manufacturer specializing in power management, automotive ICs, and security solutions, with global manufacturing and automotive qualification expertise.
This part belongs to the TRAVEO™ T2G family-designed specifically for next-generation automotive domain controllers requiring ASIL-B functional safety, secure boot, and high-bandwidth interconnect (CAN FD + Ethernet).
FAQ
What is the maximum operating temperature range for CYT4BB8CEBQ0AESGST?
The CYT4BB8CEBQ0AESGST is qualified for automotive Grade 1 operation: –40 °C to +125 °C ambient temperature, with junction temperature limits defined by thermal resistance (θJA = 22.5 °C/W) and power dissipation under worst-case CPU/ADC/Ethernet load conditions.
Does CYT4BB8CEBQ0AESGST support JTAG boundary scan testing?
Yes-CYT4BB8CEBQ0AESGST includes IEEE-1149.1-2001-compliant JTAG TAP controller with full boundary-scan capability across all I/O banks, supporting production test vectors for open/short detection and interconnect verification on 272-BGA PCBs.
Can the internal regulators power external components?
No-the internal regulators (Core, DeepSleep, External) are strictly for on-die voltage domains. VCCD supplies only GPIO and transceiver I/Os; external components must be powered from board-level regulators meeting ISO 16750-2 transient requirements.
Is the Ethernet MAC compliant with IEEE 802.1AS for time synchronization?
Yes-the Ethernet MAC implements IEEE 802.1AS-2020 gPTP (generalized Precision Time Protocol) with hardware timestamping on all receive/transmit frames, enabling sub-microsecond synchronization accuracy when paired with an AVB-compliant PHY.
CYT4BB8CEBQ0AESGST Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 176-LQFP Exposed Pad
- Series:
- Traveo™ T2G
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0+, ARM® Cortex®-M7
- Core Size:
- 32-Bit Quad-Core
- Speed:
- 100MHz, 250MHz
- Connectivity:
- CANbus, Ethernet, I2C, LINbus, eMMC/SD, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, I2S, LVD, POR, PWM, WDT
- Number of I/O:
- 148
- Program Memory Size:
- 4.0625MB (4.0625M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 256K x 8
- RAM Size:
- 768K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 82x12b SAR
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CYT4BB8CEBQ0AESGST FAQ
1.How can I place an order for CYT4BB8CEBQ0AESGST through Aetrix?
Please submit a Request for Quotation (RFQ) for CYT4BB8CEBQ0AESGST on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for CYT4BB8CEBQ0AESGST reliable?
The price and inventory of CYT4BB8CEBQ0AESGST are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CYT4BB8CEBQ0AESGST is usually 5 days.
3.What payment methods are accepted for CYT4BB8CEBQ0AESGST?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CYT4BB8CEBQ0AESGST transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CYT4BB8CEBQ0AESGST?
CYT4BB8CEBQ0AESGST orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CYT4BB8CEBQ0AESGST order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for CYT4BB8CEBQ0AESGST?
For technical support, including CYT4BB8CEBQ0AESGST datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CYT4BB8CEBQ0AESGST requirements.
6.How does Aetrix verify that CYT4BB8CEBQ0AESGST is sourced from the original manufacturer or authorized distributors?
All CYT4BB8CEBQ0AESGST products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that CYT4BB8CEBQ0AESGST meets industry standards.
7.What is the process for return or replacement of CYT4BB8CEBQ0AESGST?
All CYT4BB8CEBQ0AESGST units undergo pre-shipment inspection (PSI). If there is an issue with CYT4BB8CEBQ0AESGST, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The CYT4BB8CEBQ0AESGST part is unused and in its original packaging.
Return procedure for CYT4BB8CEBQ0AESGST:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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